Mechanical APDL Basic Analysis Guide - Ansys

24. Select Utility Menu> Plot> Components> Selected Components.
2.8.4.7. Solution: Apply Pretension
1. Select Main Menu> Solution> Analysis Type> Sol'n Controls.
2. Click on the Sol'n Options tab.
3. Choose Precondition CG under Equation Solvers and click OK.
4. Select Utility Menu> Select> Entities.
5. Choose Areas, By Location, and Y-coordinates and click OK.
6. Select Main Menu> Solution> Define Loads> Apply> Structural> Displacement> Symmetry B.C.>
On Areas.
7. Click Pick All.
8. Select Utility Menu> Select> Entities.
9. Make sure Areas are still selected and click Sele All.
10. Click OK.
11. Select Main Menu> Solution> Define Loads> Apply> Structural> Displacement> On Keypoints.
12. Pick the middle keypoint on the bottom of the bolt (KeyP No. = 1) and click OK in the picker.
13. Choose UX and UZ for DOFs to be constrained (Lab2) and click Apply to accept your choices and return
to the picker.
14. Pick the middle keypoint on the top of the bolt (KeyP No. = 12) and click OK in the picker.
15. Choose UX for DOFs to be constrained (Lab2) and click OK.
16. Select Main Menu> Solution> Define Loads> Apply> Structural> Pretensn Sectn.
17. Choose 1 Example under Pretension Sections.
18. Enter 100 for Force (under Pretension Load) and click OK.
19. Select Utility Menu> File> Change Title.
20. Change the title to “Sample Application of PSMESH - Preload Only” and click OK.
21. Select Main Menu> Solution> Solve> Current LS.
22. Review the information in the /STATUS Command window and click OK to begin the solution.
23. Click Close when the Solution is Done message appears.
2.8.4.8. Postprocessing: Pretension Results
1. Select Main Menu> General Postproc> Plot Results> Contour Plot> Nodal Solu. The Contour
Nodal Solution Data dialog box appears.
2. Select Stress from the scroll box on the left and Z-direction (SZ) from the scroll box on the right and
click OK.
2.8.4.9. Solution: Apply Thermal Gradient
1. Select Main Menu> Solution> Analysis Type> Restart. Close any warning messages that appear.
2. Select Main Menu> Solution> Define Loads> Settings> Uniform Temp.
3. Enter 150 for the uniform temperature and click OK.
2.8.4. Example Pretension Analysis (GUI Method)
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